KR20200000319U - Coffee scale for coffee - Google Patents

Abstract

The electronic scale for coffee includes an electronic scale (1), the electronic scale (1) includes a base (2), the base 2 is provided with a main control chip (3), the main control chip (3) A wire is installed, a first metering device 4 and a second metering device 5 are installed in the base 2, a hand drip frame 6 is installed in the second metering device 5, and a hand The drip frame 6 is provided with a filtration device 7, the first metering device 4 and the second metering device 5 are connected to the main control chip 3 by conducting wires, respectively, of the base 2. An operation panel 8 is provided on the outer wall, and the operation panel 8 is connected to the main control chip 3 by conducting wire. This coffee scale is designed to measure the total weight of water injected relatively accurately in real time during the manufacturing process of drip coffee, so that the water injection speed can be more precisely controlled, thereby reducing the error in calculating the coffee concentration, thereby securing the taste of the coffee. do.

Description

Coffee scale for coffee

The present invention mainly relates to the field of coffee utensils, and specifically relates to coffee-only electronic balance.

Coffee, one of the world's three major beverages, has the benefits of relieving fatigue, beauty of skin, dehumidification and diet, and is becoming more and more loved by people. Since the ratio of coffee powder and water and the extraction ratio of coffee both affect the taste of coffee, and the extraction ratio of coffee is influenced by the immersion time, during manufacturing of the drip coffee, the worker weighs the total weight of the water injection in real time, Based on this, you should adjust your water injection speed. Currently, people generally place conventional electronic balances at the bottom of the drip pot to weigh the filtered coffee liquor as the total weight of the water injection. Currently, the following problems exist in the method of measuring the total weight of water injected by electronic balance.

When preparing the drip coffee, there is a time difference and a flow rate difference in the process of injecting and filtering the water, so that the weight of the filtered coffee liquid weighed in real time is smaller than the total weight of the water injected in real time, and the error is large; Since the coffee powder and the coffee filter paper themselves also have absorption characteristics, the two data are different from the total weight of the water injection and the weight of the filtered coffee liquid. Therefore, by replacing the weight of the filtered coffee liquid weighed by the conventional electronic balance with the total weight of water injection, if the coffee concentration is calculated based on this, and the water injection rate is adjusted, a very large error occurs, the taste of the coffee Will affect.

In order to solve the shortcomings of the prior art, the present invention accurately measures the total weight of the water injected in real time, reducing the error in the process of calculating the coffee concentration and adjusting the water injection rate, dedicated to coffee that can secure the taste of the coffee Provide electronic balance.

The present invention has been implemented the following technical solutions to achieve the above object.

The coffee-only electronic balance includes an electronic balance, the electronic balance includes a base, a main control chip is installed inside the base, a wire is installed on the main control chip, and a first metering device is installed on the base. A second metering device is installed, the hand metering frame is installed in the second metering device, a filtration device is installed in the hand-drip frame, and the first metering device and the second metering device are each connected by a main control chip. The control panel is installed on the outer wall of the base, and the control panel is connected to the main control chip by a conductor.

The first metering device includes a first pressure sensor, a balance plate is installed at the top of the first pressure sensor, and the second metering device includes a second pressure sensor, and a tray at the top of the second pressure sensor. Is installed, the tray is inserted and connected to the hand drip frame.

A boss is installed at the bottom center position of the base, the first pressure sensor is fixedly connected to the top of the boss, and the second pressure sensor is fixedly connected to the bottom of the base.

The first pressure sensor is fixedly connected to the top of the tray, and the second pressure sensor is fixedly connected to the bottom center position of the base.

An insertion end is installed at a bottom of the hand drip frame, an insertion hole is installed at a side of the tray, a first opening is installed at a side of the base, and a second opening is installed at a side of the balance plate. The stage is fitted into the insertion hole through the first opening and the second opening.

The operating panel is provided with a first display screen and a second display screen.

A micro switch is installed in the insertion hole, and the micro switch is connected to the second metering device and the main control chip by a conductor.

In preparing αml of coffee liquid,

S1: filling the filter apparatus with coffee powder, placing the container in the electronic balance, and resetting the first display screen and the second display screen;

S2: injecting water at 80 to 100 ° C. into the filtration apparatus, obtaining an amount of coffee liquid filtered through the first display screen in real time, and obtaining a total amount of water injection through the second display screen in real time;

S3: If the value of the second display screen is αml ~ (α + 5) ml, slow the rate of water injection or let it stand still for 10-30S and continue to inject water, and the value of the first display screen is αml In this case, the step of obtaining the coffee liquid immediately.

Compared with the prior art, the present invention has the following advantageous effects.

1. The present invention installs two sets of weighing devices, but installs the hand-drip frame to the second weighing device to measure the coffee liquid remaining in the filtering device, and the weight of the coffee liquid remaining in the filtering device and the first weighing device. By adding the weight of the filtered coffee liquor obtained by the device, an accurate water injection total weight is obtained in real time, thereby reducing errors in the coffee concentration calculation and water injection speed adjustment process.

2. The present invention, the first weighing device includes a first pressure sensor, the balance plate is installed on the top of the first pressure sensor, and the weight of the filtered coffee liquid by measuring the weight in real time by placing the drip port on the balance plate In real time, the second metering device includes a second pressure sensor, the tray is installed on top of the second pressure sensor, and the tray is inserted and connected to the hand drip frame as a support mechanism, so that the second metering device is filtered. By allowing the weight of the coffee liquid remaining in the device to be calculated, two data, the exact weight of the total water infusion and the weight of the filtered coffee liquid, are obtained in real time. By reducing the error, it has the effect of ensuring the coffee taste.

3. According to the present invention, the boss is installed at the center of the bottom of the base, and the first pressure sensor is fixed to the top of the boss so that the weight of the filtered coffee liquid in the drip pot is measured, and the second pressure sensor is placed at the bottom of the base. The weight of water remaining in the filtration device is measured, the two data are processed by the main control chip, and the two data are added to obtain the total water injection weight, thereby obtaining the correct water injection total weight in real time. , Obtain the weight of the filtered coffee liquid, calculate the coffee concentration with reference to this, and adjust the water injection rate, thereby reducing the calculation error, has the effect of ensuring the coffee taste.

4. The present invention fixes the second pressure sensor to the bottom center position of the base, positions the tray above the second pressure sensor, fixes the first pressure sensor to the top of the tray, and the first pressure sensor and the first pressure sensor. 2 The pressure sensor uses a series structure, the first pressure sensor measures the weight of the filtered coffee liquid in the drip pot, and the second pressure sensor measures the weight of the filtered coffee liquid in the drip port and the water remaining in the filtration device. In other words, by measuring the total weight of the water injection, at the same time to obtain the exact weight of the water injection, at the same time to obtain the weight of the filtered coffee liquid, the coffee concentration is calculated by reference to this, by adjusting the water injection rate, the calculation error is reduced, Has the effect of securing the taste.

5. The present invention, the insertion end is installed on the bottom of the hand-drip frame, the insertion hole is installed on the side of the tray, the insertion hole and the insertion end are fitted to each other. The insertion end and the insertion hole are fit and combined to fix the hand drip frame to the tray, to install a first opening on the side of the base and a second opening on the side of the scale plate, the first opening and the second opening being the insertion end. It is a passage through which the insertion hole is fitted. By inserting and connecting, the hand drip frame can be connected to the tray more firmly, so that the hand drip frame is not firmly fixed and shaken to prevent the influence on the weighing result. By ensuring that the total weight can be obtained, the calculation error of the coffee concentration is made smaller and the water injection rate is more precisely controlled.

6. The present invention, by installing the first display screen and the second display screen on the operation panel, and displays the total weight of the water injection and the weight of the filtered coffee liquid, respectively, the two to the total weight of the water injection and the weight of the filtered coffee liquid The data in is shown simply and clearly.

7. The present invention is to install a micro switch in the insertion hole, the micro switch is connected to the second metering device and the main control chip by the lead wire, the insertion end and the insertion hole of the hand drip frame is firmly fit and combined, the micro By triggering a switch to conduct the circuit of the second metering device and the main control chip, the weight of the water left in the filtration device is weighed, and if the insertion end of the hand drip frame is not fully inserted into the insertion hole, that is, the hand drip frame If the insertion end of the insertion hole and the insertion hole is unstable and fit, do not trigger the micro switch.

1 is a reference state of use of the present invention.
2 is a schematic structural diagram of a base according to Example 1 of the present invention.
3 is a structural diagram of a base according to Example 2 of the present invention.
Figure 4 is a schematic view of the insertion end and the insertion hole of the present invention.

Combining the drawings and specific embodiments, to further describe the present invention. It is to be understood that these embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. In addition, after reading the contents of the present invention, those skilled in the art can variously change or modify the present invention, it should be understood that such equivalent forms are included in the scope defined in the present application.

As shown in Figures 1 to 4, the coffee-only electronic balance of the present invention includes an electronic balance (1), the electronic balance (1) comprises a base (2), the base (2) The balance acts as a carrier for each part. The base is provided with a main control chip (3), the main control chip (3) is provided with a conductor, the base is provided with a first metering device (4) and the second metering device (5), the main The control chip 3 is a processing unit which converts electrical signals measured by the first metering device 4 and the second metering device 5 into digital signals and processes the digital signals, which is a conventional electronic balance metering method. Same as The second metering device (5) is provided with a hand drip frame (6), the hand drip frame (6) is provided with a filtration device (7), the filtration device (7) is a conventional drip coffee filtration device The second weighing device 5 measures the weight of the coffee liquid remaining in the filtering device 7. The first metering device 4 and the second metering device 5 are connected to the main control chip 3 by conducting wires, respectively, and an operation panel 8 is installed on the outer wall of the base 2, and the operation is performed. The panel 8 is connected to the main control chip 3 by conductors, and the operation panel 8 is an input terminal of a command, and controls a series of functions of the electronic balance. Through this structure, it is possible to accurately obtain the real-time water injection total weight, and to adjust the water injection speed more accurately, thereby reducing the calculation error of the coffee concentration.

In order to reduce the calculation error of the coffee concentration and to more accurately control the water infusion rate, the first metering device 4 includes a first pressure sensor 9, the uppermost part of the first pressure sensor 9 The scale plate 10 is installed, and the filtered coffee liquid is placed on the scale plate 10 to measure the weight in real time, thereby obtaining the weight of the filtered coffee liquid in real time, and the second weighing device 5 is provided with a second pressure. Including a sensor 11, the tray 12 is installed on the top of the second pressure sensor 11, the tray 12 is inserted into the hand drip frame 6 as a support mechanism, the second weighing The device 5 allows the weighing of the coffee liquid left in the filtration device 7, the height of which the balance plate 10 is away from the bottom of the base 2, so that the tray 12 has the bottom of the base 2. Greater than the height away from the first metering device 5 Ensure that the weight is measured. Through this structure, an accurate water injection total weight is obtained in real time, the coffee concentration is calculated with reference to this, and the water injection speed is adjusted, thereby reducing errors, thereby ensuring coffee flavor.

Furthermore, the boss 13 is installed at the bottom center position of the base 2, and the first pressure sensor 9 is fixed to the top of the boss 13, thereby measuring the weight of the filtered coffee liquid, The second pressure sensor 11 is fixed to the bottom of the base 2 to measure the weight of water remaining in the filtration device 7. In addition, by processing the two data by the main control chip to obtain the total water injection weight by adding the two data, to obtain the exact weight of the water injection in real time, at the same time to obtain the weight of the filtered coffee liquid, this coffee Since the concentration is calculated and the water infusion rate is adjusted, the error is reduced, thereby ensuring the coffee taste.

Furthermore, the second pressure sensor 11 is fixed at the bottom center position of the base 2, the first pressure sensor 9 is fixed at the top of the tray 12, and the first pressure sensor 9 is fixed. ) And the second pressure sensor 11 uses a series structure, the first pressure sensor 9 measures the weight of the filtered coffee liquid, the second pressure sensor 11 is the weight of the filtered coffee liquid By measuring the sum of the weights of the coffee liquid remaining in the filtering device, that is, the total weight of the water infusion, thereby obtaining the exact weight of the water infusion and the weight of the filtered coffee liquid, and calculating the coffee concentration with reference thereto. Since the injection speed is adjusted, the error is reduced, thereby ensuring the coffee taste.

In order to reduce the calculation error of the coffee concentration and to more accurately control the water injection rate, an insertion end 14 is installed at the bottom of the hand drip frame 6, and an insertion hole 15 is provided at the side of the tray 12. ) Is installed, and the insertion hole 15 and the insertion end 14 are fitted to each other. The insertion end 14 and the insertion hole 15 are custom-fitted to fix the hand drip frame 6 to the tray 12, and a first opening 16 is provided at the side of the base 2. A second opening 17 is provided on the side of the balance plate 10, and the first opening 16 and the second opening 17 are passages through which the insertion end 14 and the insertion hole 15 are fitted. By inserting and connecting the hand-drip frame 6 can be more firmly connected to the tray 12, the hand-drip frame 6 is not firmly fixed to shake to prevent affecting the weighing results, Under the premise of easy operation, it is ensured that an accurate gross weight of water can be obtained, thereby reducing the calculation error of the coffee concentration, thereby more accurately controlling the water injection speed.

In order to simply and clearly display two data on the total weight of the water injection and the weight of the filtered coffee liquid, the operation panel 8 is provided with a first display screen 18 and a second display screen 19, The first display screen 18 displays the weight of the filtered coffee liquid and the second display screen 19 displays the total water injection weight, thereby providing two data on the total water injection weight and the weight of the filtered coffee liquid. Is displayed simply and clearly.

Furthermore, a micro switch is installed in the insertion hole 15, and the micro switch is connected to the second metering device 5 and the main control chip 3 by a conductive wire, and the insertion end 14 of the hand drip frame 14. ) Is inserted into the insertion hole 15, and then comes into contact with the micro switch, triggers the micro switch, and conducts a circuit between the second metering device 5 and the main control chip 30, thereby remaining in the filtration device. The weight of the water is measured, which explains that the hand drip frame 6 is firmly fixed to the tray 12. When the insertion end 14 is taken out from the insertion hole 15, the micro switch is operated under the action of the spring. It is automatically turned off and the circuit between the second metering device 5 and the main control chip 3 is cut off, so that the second metering device does not proceed with the weighing operation. Since the installation of the micro switch is for detecting whether the hand drip frame 6 and the tray 12 are stably connected, it ensures safety in the process of dipping coffee and makes the data in the weighing process more representative. .

How to use:

According to the present invention, the electronic balance 1 is first settled in use, the position of the hand drip frame 6 is adjusted, and the hand drip frame 6 is firmly connected to the second metering device 5, and then the filtration device is used. (7), the ground coffee powder is placed in the filtration device (7), and a drip port for receiving the filtered coffee liquid is placed directly under the filtration device (7) to the first weighing device (4). Finally, using the operation panel (8) to adjust the state of the electronic balance (1). After the preparation work, boiled water is injected into the filtration device, the first metering device 4 and the second metering device 5 transmit their respective electrical signals to the main control chip 3, and the main control chip. (3) converts an electrical signal into a digital signal, processes the digital signal, and then feeds the digital signal back to the operation panel by a conductive wire to control the water injection rate at any time during water injection. The two figures for the gross weight of the water and the weight of the filtered coffee liquid can be checked from time to time. When the gross water weight reaches the theoretical value, the water injection is stopped.

Example 1:

The coffee-only electronic balance of the present invention includes an electronic balance (1), wherein the electronic balance (1) includes a base (2), and the base (2) acts as a carrier of each part of the electronic balance (1). In addition, a metal material or a plastic material may be used, and the present embodiment is stamped and molded using a metal plate. The base is provided with a main control chip (3), the main control chip (3) is provided with a conductor, the main control chip (3) is a control unit, converts an electrical signal into a digital signal to convert a digital signal Process. The base meter is provided with a first metering device 4 and a second metering device 5, the second metering device 5 is equipped with a hand drip frame 6, and the hand drip frame 6 is filtered. The device 7 is installed. In this embodiment, the filtration device is composed of a funnel and filter paper, the funnel is provided in the hand drip frame, the filter paper is in contact with the funnel inner wall. The first metering device 4 and the second metering device 5 are connected to the main control chip 3 by conductors, respectively. A boss 13 is installed at the bottom center position of the base 2, and the first metering device 4 includes a first pressure sensor 9, wherein the first pressure sensor 9 is formed by a bolt. It is fixed to the top of the boss 13, the top of the first pressure sensor 9 is provided with a scale plate pedestal, the scale plate pedestal and the first pressure sensor 9 is connected by a bolt, the scale plate A scale plate 10 is installed at the top of the pedestal, and the scale plate pedestal is connected to the scale plate 10 by a pin. The second metering device 5 includes a second pressure sensor 11, the second pressure sensor 11 is fixed to the bottom of the base 2 by bolts, the second pressure sensor 11 At the top of the tray 12 is installed, the second pressure sensor 11 is connected to the tray 12 with bolts, the height of the balance plate 10 is separated from the bottom of the base 2 tray 12 is Since it is larger than the height away from the bottom of the base 2, the tray 12 is secured so as not to contact the drip port and interfere with the weighing result of the first metering device 4. An insertion hole 15 is installed at the side of the tray 12, and a micro switch is installed in the insertion hole 15, and the micro switch is connected to the second metering device 5 and the main control chip by a conductor. 3), the bottom end of the hand drip frame 6 is provided with a wedge-shaped insertion end 14, the insertion end 14 and the hand drip frame 6 are all made of a metal material, the insertion The stage 14 is welded to the hand drip frame 6, the first opening 16 is provided on the side of the base 2, the second opening 17 is provided on the side of the balance plate, and the insertion The stage 14 is fitted into the insertion hole 15 through the first opening 16 and the second opening 17. An operation panel 8 is installed on an outer wall of the base 2, and the operation panel 8 is connected to the main control chip 3 by conductive wires, and the operation panel 8 has an on / off button and a backlight button. And a reset button are installed, and the operation panel 8 is provided with a first display screen 18 and a second display screen 19. In this embodiment, the main control chip 3 is a first metering device. The electrical signal transmitted from the 4 and the second metering device 5 is converted into a digital signal, and an additional operation of the digital signal is performed to obtain the total water injection weight, and the first display screen 18 is filtered. The weight of the prepared coffee liquid is displayed, and the second display screen 19 displays the total water injection weight. Advantageous effects of this embodiment are as follows. In this embodiment, two sets of weighing apparatuses are installed, each weighing the weight of the filtered coffee liquid and the weight of the coffee liquid remaining in the filtering device 7 in real time, and adding the arithmetic operation to accurately calculate the total water injection weight in real time. Acquisition, by more precisely adjusting the water injection rate, reduces the error in calculating the coffee concentration.

Example 2 Drip Coffee Dipping Method.

Specific steps of dipping 500 ml of coffee using the coffee-only electronic balance according to Example 1 are as follows.

The filter paper is mounted in the filtration device to place the coffee cup in the electronic balance and reset the first display screen and the second display screen.

The ground coffee powder is filled into the filter paper, wherein the value shown on the second display screen is the weight of the coffee powder and is weighed at 50 g.

The second display screen is reset again, hot water at 90 ° C. is uniformly injected into the filtration device, the amount of coffee liquid obtained by filtration through the first display screen is obtained in real time, and the total amount of water is injected through the second display screen. Obtain in real time.

When the value of the second display screen reaches 500 g, allow it to stand for 10 seconds, then slowly add hot water to reach the value of the first display screen to 490 g, stop the water injection and continue to wait for the coffee drip, 1 When the display screen reaches 500g, you get a cup of coffee.

Specific steps of immersing 200ml of coffee using the coffee-only electronic balance according to Example 1 are as follows.

The filter paper is mounted in the filtering device, the coffee cup is placed in the electronic balance, and the first display screen and the second display screen are reset.

The ground coffee powder is filled into the filter paper, wherein the value shown on the second display screen is the weight of the coffee powder and is measured at 18 g.

The second display screen is reset again, hot water at 85 ° C. is uniformly injected into the filtration unit, the amount of coffee liquid obtained by filtration through the first display screen is obtained in real time, and the total amount of water is injected through the second display screen. Obtain in real time.

When the value of the second display screen reaches 205 ml, the water injection rate is slowed down, and when the value of the first display screen reaches 100 ml, the water injection is stopped to obtain coffee liquid.

Tools, materials, and the like mentioned in the drip coffee immersion method embodiment are all conventional tools and materials already existing in the prior art, unless otherwise specified, and can be obtained through a regular commercial channel. The amounts and ratios of coffee powder and water mentioned are all conventional amounts and ratios of the prior art unless otherwise specified.

Example 3:

The coffee-only electronic balance of the present invention includes an electronic balance (1), wherein the electronic balance (1) includes a base (2), and the base (2) acts as a carrier of each part of the electronic balance (1). In addition, a metal material or a plastic material may be used, and in the present embodiment, the molded plastic is integrally formed. The base is provided with a main control chip (3), the main control chip (3) is provided with a conductor, the main control chip (3) is a control unit, converts an electrical signal into a digital signal to convert a digital signal Process. The base meter is provided with a first metering device 4 and a second metering device 5, the second metering device 5 is equipped with a hand drip frame 6, and the hand drip frame 6 is filtered. The device 7 is installed. In this embodiment, the filtration device is composed of a funnel and filter paper, the funnel is provided in the hand drip frame, the filter paper is in contact with the funnel inner wall. The first metering device 4 and the second metering device 5 are connected to the main control chip 3 by conductors, respectively. The second metering device 5 includes a second pressure sensor 11, the second pressure sensor 11 is fixed to the bottom center position of the base 2 by bolts, the second pressure sensor ( A tray 12 is installed at the top of the 11, the second pressure sensor 11 is connected to the tray 12 by bolts, and the first metering device 4 includes a first pressure sensor 9. However, the first pressure sensor 9 is fixed to the top of the tray 12 by bolts, the balance plate 10 is installed on the top of the first pressure sensor 9, the first pressure sensor 9 ) Is connected to the scale plate 10 with bolts. An insertion hole 15 is installed at the side of the tray 12, and an insertion end 14 having a wedge shape is installed at the bottom of the hand drip frame 6, and the insertion end 14 and the hand drip frame 6 are provided. ) Are all made of a plastic material, the insertion end 14 is formed integrally with the hand-drip frame 6, the first opening 16 is provided on the side of the base 2, the side of the balance plate The second opening 17 is installed in the insertion end 14, and the insertion end 14 penetrates through the first opening 16 and the second opening 17 to be fitted to the insertion hole 15. An operation panel 8 is installed on an outer wall of the base 2, and the operation panel 8 is connected to the main control chip 3 by conductive wires, and the operation panel 8 has an on / off button and a backlight button. And a reset button are installed, and the operation panel 8 is provided with a first display screen 18 and a second display screen 19. In this embodiment, the main control chip 3 is a first metering device. And converts the electrical signal transmitted by (4) and the second metering device (5) into a digital signal, the first display screen (18) displays the weight of the filtered coffee liquid, and the second display screen (19) Displays the total weight of the water injection. Advantageous effects of this embodiment are as follows. In this embodiment, two sets of weighing devices are installed to measure the weight of the coffee liquid filtered through the first weighing device 4 in real time, and the total weight of water injection through the second weighing device 5 in real time. Thus, by adjusting the water injection speed more accurately, the error in calculating the coffee concentration is reduced.

1: electronic balance;
2: base;
3: main control chip;
4: first metering device;
5: second metering device;
6: hand drip frame;
7: filtration device;
8. Operation panel;
9: first pressure sensor;
10: scale plate;
11: second pressure sensor;
12: tray;
13: boss;
14: insertion end;
15: insertion hole;
16: first opening;
17: second opening;
18: first display screen;
19: second display screen;
20: drip port;
21: kettle for injection.

Claims (8)

In the electronic balance for coffee comprising an electronic balance (1),
The electronic scale 1 includes a base 2, a main control chip 3 is installed on the base 2, a conductor is installed on the main control chip 3, and a base of the base 2 is provided. The first metering device 4 and the second metering device 5 are installed therein, the hand metering frame 6 is installed in the second metering device 5, and the filtering device is installed in the hand drip frame 6. (7) is installed, the first metering device (4) and the second metering device (5) are each connected to the main control chip (3) by a conductor, the operation panel (8) on the outer wall of the base (2) ) Is installed, the operation panel 8 is an electronic scale for coffee, characterized in that connected to the main control chip (3) by a wire.
The method of claim 1,
The first metering device 4 includes a first pressure sensor 9, a balance plate 10 is installed at the top of the first pressure sensor 9, and the second metering device 5 is a second. Including a pressure sensor 11, the top of the second pressure sensor 11 is provided with a tray 12, the tray 12 is only for coffee, characterized in that the insert is connected to the hand drip frame (6) electronic scale.
The method of claim 2,
The boss 13 is installed at the bottom center position of the base 2, the first pressure sensor 9 is fixedly connected to the top of the boss 13, and the second pressure sensor 11 is connected to the base 2. Electronic scale for coffee, characterized in that fixed to the bottom of the).
The method of claim 2,
The first pressure sensor (9) is fixedly connected to the top of the tray (12), the second pressure sensor (11) is characterized in that fixedly connected to the bottom center position of the base (2).
The method of claim 2,
An insertion end 14 is installed at a bottom of the hand drip frame 6, an insertion hole 15 is installed at a side of the tray 12, and a first opening 16 is provided at a side of the base 2. A second opening 17 is installed on the side of the balance plate, and the insertion end 14 penetrates through the first opening 16 and the second opening 17 to fit the insertion hole 15. Coffee scales, characterized in that.
The method of claim 1,
The operating panel 8 is a coffee electronic scale, characterized in that the first display screen 18 and the second display screen 19 is installed.
The method of claim 5, wherein
The micro switch is installed in the insertion hole (15), and the micro switch is connected to the second metering device (5) and the main control chip (3) by a conductive wire.
In preparing αml of coffee liquid,
S1: filling the filter apparatus 7 with coffee powder, placing the container in the electronic balance, and resetting the first display screen 18 and the second display screen 19;
S2: by injecting water of 80 ~ 100 ℃ to the filtration device 7, the amount of coffee liquid filtered through the first display screen 18 is obtained in real time, water injection through the second display screen 19 Obtaining a total amount in real time;
S3: When the value of the second display screen 19 is αml ~ (α + 5) ml, the rate of injecting water is slowed down or left for 10-30S, followed by continuous injection, When the value is αml, drip coffee immersion method using the electronic balance for coffee according to any one of claims 1 to 7, characterized in that it comprises the step of directly obtaining a coffee liquid.

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